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Finding the Fourth Proportional to 14,473.66, 19,973.82 and 8,100.64

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Solution

The fourth proportional to 14,473.66, 19,973.82 and 8,100.64 is: 11,178.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,473.66 : 19,973.82 = 8,100.64 : x
  2. Step 2: Convert to fraction form
    14,473.66/19,973.82 = 8,100.64/x
  3. Step 3: Cross multiply
    14,473.66x = 19,973.82 × 8,100.64
  4. Step 4: Simplify right side
    14,473.66x = 161,800,725.24
  5. Step 5: Solve for x
    x = 161,800,725.24/14,473.66
  6. Step 6: Final answer
    x = 11,178.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.